There might be some chemical in the mud, which might have some good effect on health.
Amplify’d from news.in.msn.com
A 'muddy' affair: Boryeong Mud Festival
People play with mud during the 13th Boryeong Mud Festival at a beach in Boryeong. The festival runs from July 17-25.
Read more at news.in.msn.com
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